\begin{pspicture}(0,-3.65375)(13,4)
\rput(1.9442188,-2.38625){\psaxes[linewidth=0.04,labels=none,ticksize=0.0958cm,dx=10.0cm,dy=6.0cm,Dx=10,Dy=5](0,0)(0,0)(10.01,6.01)}
\rput[c](7,-3.47625){$X$}
\rput{-270.0}(1.4,0.5359375){\rput(0.1621875,0.72375){Frecuencia Absoluta Acumulada $N_i$}}
\psline[linewidth=0.04,linecolor=blue](1.9642187,-2.38625)(3.9642189,-1.98625)(5.9642186,-0.38625)(7.9642186,1.81375)(9.964219,3.21375)(11.964219,3.61375)
\psline[linewidth=0.04,linecolor=orange,linestyle=dashed,dash=0.16cm 0.16cm](1.9642187,0.61375)(6.9,0.61375)(6.9,-2.38625)
\rput[r](1.6,0.62){$\dfrac{n}{2}$}
\rput[r](1.6,3.6){$n$}
\rput[c](7,-2.8){Mediana}
\end{pspicture}